MINOR: Wording on permissions (from r85642)
MINOR: Wording on permissions (from r85642)

silverstripe/silverstripe-subsites,wernerkrauss/silverstripe-subsites,dnadesign/silverstripe-subsites,mandrew/silverstripe-subsites,dnadesign/silverstripe-subsites,danaenz/silverstripe-subsites,mandrew/silverstripe-subsites,petpack/silverstripe-subsites,mikenz/silverstripe-simplesubsites,silverstripe/silverstripe-subsites,danaenz/silverstripe-subsites,petpack/silverstripe-subsites,wernerkrauss/silverstripe-subsites,mikenz/silverstripe-simplesubsites